Module: EC2

Defined in:
lib/ec2_userdata.rb

Defined Under Namespace

Classes: UserData

Class Method Summary collapse

Class Method Details

.ec2? ⇒ Boolean

Returns true if the current instance is running on the EC2 cloud

Returns:

  • (Boolean) 


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# File 'lib/ec2_userdata.rb', line 73

def self.ec2?
  return @running_on_ec2 if @running_on_ec2
  raise("nslookup must be in the path") if cmd_exec("which nslookup").blank?
  @running_on_ec2 = (cmd_exec("nslookup 169.254.169.254").match(/NXDOMAIN/) || []).size < 1 
end